I can't do that, Belle. Take away a part of his mind that way? Let someone play around in his brain?
You know Rumplestiltskin once gave my mother a potion that made her forget my father? It seemed like a good idea at the time and kind of wasn't.
Yeah, this is going to be hard. Miserable even. The things it did and said through him were awful. But we learn from experience. It makes us stronger, molds us into the people we are. He deserves the chance to grow from this.